Visual Fractions - A Fraction Tutorial. Khan Academy. Get The Math. Wolfram Education Portal: Free Resources and Materials for Teachers. Staff Picks: Sports Science. Staff Picks: Sports Science Staff Picks: Sports Science Collisions on Ice What happens when two hockey players collide?

Try our hockey collision calculator! Putting Something on the Ball When you pick up a baseball, it immediately suggests its purpose: to be thrown fast and with considerable accuracy. Girls of Summer In the 1870s, an American woman could not vote. Reaction Time Measure your reaction time with just a meter stick and some help from a friend. Human Power Why is the bicycle the most efficient way to travel? Fastball Reaction Time Are you quick enough to hit a 90 mph fastball?

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Free Fractions Tools. Conceptua Math includes interactive, visual tools that are ideal for teacher-facilitated, whole-class instruction, "Number Talks" and for parents supporting their students at home.

These tools, available free of charge, are located under the Tool Library tab in our full curriculum. The full Conceptua Math curriculum includes integrated teacher supports, adaptive teaching, student investigations, and much more. Teachers Build Instructional Expertise with Supports Teachers start with scripted Lesson Openers to introduce concepts and generate fraction Number Talks with the whole class. Lesson Closers help students to summarize their learning. Sample Opener > Students Learn through Guided Lessons The Guided Lessons form the foundation of the program. Sample Guided Lesson > Students Apply Knowledge through Investigations Real World Investigations provide opportunities for students to use authentic data and apply their mathematical knowledge.

Sample Investigation > Web 2.0 Tools for Math Educators. By Laura Turner This is a continuing series on Web2.0 and other web-based tools for educators.

This information is specific to math educators, but there is some crossover into science. Math educators will find a large number of useable interactive companion web sites for the teaching of math concepts and skills. 3Dvinci 3D design is a great motivational and instructional tool. It exercises both left-brain and right-brain skills, and appeals to students of all abilities. Algebasics This site contains a variety of interactive Algebra help/ problems/activities Archimy This site has a service for drawing the graphs of all kinds of functions . Arcademic Skill Builder Our research-based and standards-aligned free educational math games and language arts games will engage, motivate, and help teach students. Calc3D This site has interactive Mathematical graph and charting software for geometry and statistics CrickWeb Math interactive tools for white boards.

We provide teachers and students with mathematics relevant to our world today … Desmos Graphing Calculator.